Canon BJC-6200 - Manual (Page 196)

196 Troubleshooting - Printer Does Not Start or Stops in Mid-job
Cartridge holder does not move to centre
You want to switch the BJ Cartridge, replace an ink tank, or replace the BJ Cartridge, but
the cartridge holder does not move to the centre when you open the front cover.
Check 1 Is the printer switched on?
Check 2 Has the front cover been open longer than 10 minutes?